Author: Robert Hyatt
Date: 19:32:32 01/10/02
Go up one level in this thread
On January 10, 2002 at 22:10:30, Vincent Diepeveen wrote: >On January 09, 2002 at 22:23:33, Robert Hyatt wrote: > >>On January 09, 2002 at 17:18:24, Vincent Diepeveen wrote: >> >>>On January 09, 2002 at 17:12:23, Bas Hamstra wrote: >>> >>>>On January 09, 2002 at 15:17:36, Robert Hyatt wrote: >>>> >>>>>On January 09, 2002 at 12:58:18, Ulrich Tuerke wrote: >>>>> >>>>>>On January 09, 2002 at 12:45:27, Robert Hyatt wrote: >>>>>> >>>>>>>On January 09, 2002 at 10:15:53, David Rasmussen wrote: >>>>>>> >>>>>>>>Some time ago we talked about the recapture extension. Bob's experiments with >>>>>>>>Crafty seemed to show that recapture extension was a bad idea at least for his >>>>>>>>program. >>>>>>>> >>>>>>>>How many people have the recapture extension because they positively believe >>>>>>>>that it is better for their program, and how many has removed it from their >>>>>>>>program because the positively believe that it is bad for their program? >>>>>>>> >>>>>>>>I am sure a lot of people have it or don't have it, but for no specific reason, >>>>>>>>that is, they have not tested the effect of this extension thoroughly. >>>>>>>> >>>>>>>>/David >>>>>>> >>>>>>> >>>>>>>Note that I still use it. It definitely slows things down at times, but >>>>>>>allowing my opponent to burn two plies "at will" by making a capture that I >>>>>>>have to reply to seems dangerous to ignore... >>>>>> >>>>>>So, you prefer following your intuition, though it is not in complete accordance >>>>>>with the statistics of the experiment which you have done once (IIRC) ? >>>>>> >>>>>>Uli >>>>> >>>>> >>>>>yep... >>>>> >>>>>:) >>>> >>>>Same goes for me. I don't know what the outcome of this experiment was, but for >>>>me leaving it in seems to "break even". It solves a few tactics extra and misses >>>>a few others. I have always had doubts if it really effectively reduces horizon >>>>effects in games. >>>> >>>>Bas. >>> >>>In that case i assume you threw it out, in order to get another ply more? >> >> >>For me turning it off or on doesn't come _anywhere_ near another ply... > >Amazing! > >perhaps crafty uses really *too* much nodes a ply to feel these extensions. I don't understand. The BF is < 3 typically. Perhaps you are doing recap differently than I do them. Mine are pretty severely restricted...
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